Eveliina Salo Taking Samples of the Hearth Structure (image) University of Helsinki Share Print E-Mail Caption Eveliina Salo taking samples of the hearth structure. Credit Photo: Jesse Jokinen/Museovirasto. Usage Restrictions The image may only be used with appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.